On the back of first flyleaf 'Nicolaus de Maisereyo clericus Baiocen diocesis' is possibly the scribe of the manuscript which originated in the Papal Chancery of Avignon about the middle of the 14th century.

Presumably about 1400 the MS. became the property of Thomas Welde, monk at St Augustine's, Canterbury.It then passed into the Library of William Crashaw.Thomas, Earl of Southampton left it to St John's College.See M. R. James, The Ancient Libraries of Canterbury and Dover (Cambridge, 1903).